The silhouettes of attendees are seen walking past a photograph of Steve Jobs, co-founder and former chief executive officer of Apple Inc. (Photographer: David Paul Morris/Bloomberg)  

How to Prove Yourself as CEO on Day 1

(Bloomberg Businessweek) -- Debra Weiser knew she had to quickly show her leadership strengths when she was hired as vice president and head of excess casualty at Everest Insurance Co. 20 months ag...